Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 8, 2025
A
ternary
nanocomposite
SnO2/FA/Biochar
was
synthesized
using
the
sol-gel
process
to
degrade
Ofloxacin
(Pharmaceutical)
and
Rose
Bengal
(RB)
dye.
Transmission
electron
microscopy,
X-ray
powder
diffraction,
Scanning
photoelectron
spectroscopy,
photoluminescence
spectroscopy
UV-Vis
diffuse
reflectance
were
used
characterize
prepared
composite's
structure,
surface
morphology,
composition,
area.
The
nanocomposite,
which
synthesized,
has
a
particle
size
of
14.43
nm.
test
results
showed
that
SnO2
nanoparticles
clustered
together
on
Fly
ash
Biochar.
Under
sun
irradiation,
composite
exhibited
excellent
photocatalytic
efficacy
in
decomposing
Ofloxacin.
maximum
degradation
rates
99.12%
88.08%
attained
with
catalyst
doses
0.01
g/L
for
RB
dye
Ofloxacin,
respectively,
within
60
min
each.
improved
activity
may
be
ascribed
photocatalyst's
reduced
rate
charge
recombination
lowered
bandgap
value.
direct
band
gap
2.3
eV,
as
determined
by
Tauc's
plot.
exposure
light
followed
reaction
kinetics
mechanism
identified
pseudo-first-order,
having
constants
0.0250
min-
1
0.0159
1,
respectively.
photocatalyst
five
cycles
while
maintaining
an
efficiency
above
75%.
impact
pH
also
examined.
photodegradation
under
visible
investigated,
resulting
efficient
contamination
removal
from
water.
South African Journal of Chemical Engineering,
Год журнала:
2024,
Номер
50, С. 261 - 280
Опубликована: Авг. 30, 2024
Oral
drug
administration
remains
one
of
the
most
convenient
routes
due
to
its
Simplicity,
high
patient
compliance,
and
cost-effectiveness.
However,
many
medicinal
products
available
on
market
exhibit
poor
water
solubility,
which
adversely
affects
dissolution
rate
drugs
in
biological
fluids.
Drug
loading
is
a
promising
strategy
produce
highly
stable
amorphous
with
improved
rates,
bioavailability.
Mesoporous
silica
nanoparticles
(MSNs)
are
particularly
advantageous
their
tunable
surface
area,
pore
size,
volume,
making
them
suitable
load
various
molecules
such
as
drugs,
genes,
proteins.
The
use
mathematical
models
crucial
for
predicting
analyzing
release
profile
active
diffusion
patterns
within
delivery
systems.
This
enables
design
development
new
systems
more
desirable
patterns.
review
provides
an
overview
MSNs
methods,
discusses
mechanisms
kinetic
using
mesoporous
carriers,
highlights
critical
considerations
designing
MSNs,
particle
stability
cytotoxicity.
Heliyon,
Год журнала:
2024,
Номер
10(23), С. e40370 - e40370
Опубликована: Ноя. 15, 2024
The
incidence
of
water
pollution
in
developing
countries
is
high
due
to
the
lack
regulatory
policies
and
laws
that
protect
bodies
from
anthropogenic
activities
industrial
wastewater.
Industrial
wastewater
contains
significant
amounts
heavy
metals
are
detrimental
human
health,
aquatic
organisms,
ecosystem.
focus
this
review
was
evaluate
sources
treatment
methods
wastewater,
with
an
emphasis
on
technologies,
advantages,
disadvantages,
innovation.
It
observed
conventional
(such
as
flotation,
coagulation/flocculation,
adsorption)
had
shown
promising
results
but
posed
certain
limitations,
such
generation
volumes
sludge,
relatively
low
removal
rates,
inefficiency
treating
metal
concentrations,
sensitivity
varying
pH.
Recent
technologies
like
nanotechnology,
photocatalysis,
electrochemical
coagulation
have
advantages
over
for
removing
metals,
including
higher
improved
energy
efficiency,
greater
selectivity
specific
contaminants.
However,
costs
associated
these
advanced
remain
a
major
drawback.
Therefore,
we
recommend
future
developments
technology
reducing
both
waste
generation.